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山东绿化苗木教您远离蛴螬

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1, select the control period: the grub control in the spring and summer larval hatching larvae effect of ginkgo tree price drug good (young period).

3, the use of appropriate methods of prevention: try medication adequacy, irrigate liquid full contact body.

A.银杏树用药前先疏草,清除过厚的枯草层,打孔后用药。

A. ginkgo tree medication before sparse grass, the removal of litter layer thickness, punch after medication.

B. for dry soil, water can be half a day in advance, let the grubs to ground movement, medication.

C.高温选择在傍晚给银杏树用药,温度低时选择在中午用药。

C. high temperature selection to the ginkgo tree in the evening medication, when the temperature is low in the noon drug selection.